PennEngineering® Large Knob, Spring-loaded - PEM C.A.P.S. - Metric PF11PM-M4-1-Y-2

PF11PM series captive panel screws are spring-loaded, flange-mounted fasteners with a PC/ABS plastic knob, designed for use in sheet materials with a hardness of HRB 80 or less or HB 150 or less. The screw has an M4 x 0.7 metric thread, a 7.92 mm flange diameter, and a 7.37 mm installed height with a 3.05 mm sheet thickness. The knob is colored yellow, as indicated by the 'Y' suffix, and the assembly includes a hardened carbon steel screw and retainer, a 300 series stainless steel spring, and a nickel-plated retainer. The screw is compliant with ASME B1.1 and B1.13M standards, and the knob material meets UL 94V-0 and is halogen-free, with a maximum operating temperature of 99°C. The retainer provides a minimum floating tolerance of 0.25 mm in all directions, and the design includes a Phillips driver recess (size #2) and dimples to designate metric thread size.